2 Bacula® - The Network Backup Solution
4 Copyright (C) 2008-2009 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of Kern Sibbald.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Functions to handle Extended Attributes for bacula.
31 * Extended Attributes are so OS specific we only restore Extended Attributes if
32 * they were saved using a filed on the same platform.
34 * Currently we support the following OSes:
35 * - Darwin (Extended Attributes)
36 * - Linux (Extended Attributes)
37 * - NetBSD (Extended Attributes)
38 * - FreeBSD (Extended Attributes)
39 * - OpenBSD (Extended Attributes)
40 * (As it seems either they never implemented xattr or they are removed
41 * the support as it stated it was in version 3.1 but the current syscall
42 * tabled shows the extattr_ functions are not implemented. So as such we
43 * might eventually support xattr on OpenBSD when they implemented them using
44 * the same interface as FreeBSD and NetBSD.
45 * - Solaris (Extended Attributes and Extensible Attributes)
47 * Written by Marco van Wieringen, November MMVIII
54 #if !defined(HAVE_XATTR)
56 * Entry points when compiled without support for XATTRs or on an unsupported platform.
58 bxattr_exit_code build_xattr_streams(JCR *jcr, FF_PKT *ff_pkt)
60 return bxattr_exit_fatal;
63 bxattr_exit_code parse_xattr_streams(JCR *jcr, int stream)
65 return bxattr_exit_fatal;
69 * Send a XATTR stream to the SD.
71 static bxattr_exit_code send_xattr_stream(JCR *jcr, int stream)
73 BSOCK *sd = jcr->store_bsock;
75 #ifdef FD_NO_SEND_TEST
76 return bxattr_exit_ok;
82 if (jcr->xattr_data->content_length <= 0) {
83 return bxattr_exit_ok;
89 if (!sd->fsend("%ld %d 0", jcr->JobFiles, stream)) {
90 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
92 return bxattr_exit_fatal;
96 * Send the buffer to the storage deamon
98 Dmsg1(400, "Backing up XATTR <%s>\n", jcr->xattr_data->content);
100 sd->msg = jcr->xattr_data->content;
101 sd->msglen = jcr->xattr_data->content_length;
105 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
107 return bxattr_exit_fatal;
110 jcr->JobBytes += sd->msglen;
112 if (!sd->signal(BNET_EOD)) {
113 Jmsg1(jcr, M_FATAL, 0, _("Network send error to SD. ERR=%s\n"),
115 return bxattr_exit_fatal;
117 Dmsg1(200, "XATTR of file: %s successfully backed up!\n", jcr->last_fname);
118 return bxattr_exit_ok;
122 * First some generic functions for OSes that use the same xattr encoding scheme.
124 #if defined(HAVE_DARWIN_OS) || \
125 defined(HAVE_LINUX_OS) || \
126 defined(HAVE_NETBSD_OS) || \
127 defined(HAVE_FREEBSD_OS) || \
128 defined(HAVE_OPENBSD_OS)
130 static void xattr_drop_internal_table(alist *xattr_value_list)
132 xattr_t *current_xattr;
135 * Walk the list of xattrs and free allocated memory on traversing.
137 foreach_alist(current_xattr, xattr_value_list) {
139 * See if we can shortcut.
141 if (current_xattr == NULL || current_xattr->magic != XATTR_MAGIC)
144 free(current_xattr->name);
146 if (current_xattr->value_length > 0)
147 free(current_xattr->value);
150 delete xattr_value_list;
154 * The xattr stream for OSX, FreeBSD, Linux and NetBSD is a serialized stream of bytes
155 * which encodes one or more xattr_t structures.
157 * The Serialized stream consists of the following elements:
158 * magic - A magic string which makes it easy to detect any binary incompatabilites
159 * name_length - The length of the following xattr name
160 * name - The name of the extended attribute
161 * value_length - The length of the following xattr data
162 * value - The actual content of the extended attribute
164 * This is repeated 1 or more times.
167 static uint32_t serialize_xattr_stream(JCR *jcr, uint32_t expected_serialize_len, alist *xattr_value_list)
169 xattr_t *current_xattr;
173 * Make sure the serialized stream fits in the poolmem buffer.
174 * We allocate some more to be sure the stream is gonna fit.
176 jcr->xattr_data->content = check_pool_memory_size(jcr->xattr_data->content, expected_serialize_len + 10);
177 ser_begin(jcr->xattr_data->content, expected_serialize_len + 10);
180 * Walk the list of xattrs and serialize the data.
182 foreach_alist(current_xattr, xattr_value_list) {
184 * See if we can shortcut.
186 if (current_xattr == NULL || current_xattr->magic != XATTR_MAGIC)
189 ser_uint32(current_xattr->magic);
190 ser_uint32(current_xattr->name_length);
191 ser_bytes(current_xattr->name, current_xattr->name_length);
193 ser_uint32(current_xattr->value_length);
194 ser_bytes(current_xattr->value, current_xattr->value_length);
197 ser_end(jcr->xattr_data->content, expected_serialize_len + 10);
198 jcr->xattr_data->content_length = ser_length(jcr->xattr_data->content);
200 return jcr->xattr_data->content_length;
203 static bxattr_exit_code unserialize_xattr_stream(JCR *jcr, alist *xattr_value_list)
206 xattr_t *current_xattr;
207 bxattr_exit_code retval = bxattr_exit_ok;
210 * Parse the stream and call restore_xattr_on_file for each extended attribute.
212 * Start unserializing the data. We keep on looping while we have not
213 * unserialized all bytes in the stream.
215 unser_begin(jcr->xattr_data->content, jcr->xattr_data->content_length);
216 while (unser_length(jcr->xattr_data->content) < jcr->xattr_data->content_length) {
218 * First make sure the magic is present. This way we can easily catch corruption.
219 * Any missing MAGIC is fatal we do NOT try to continue.
222 current_xattr = (xattr_t *)malloc(sizeof(xattr_t));
223 unser_uint32(current_xattr->magic);
224 if (current_xattr->magic != XATTR_MAGIC) {
225 Mmsg1(jcr->errmsg, _("Illegal xattr stream, no XATTR_MAGIC on file \"%s\"\n"),
227 Dmsg1(100, "Illegal xattr stream, no XATTR_MAGIC on file \"%s\"\n",
230 return bxattr_exit_error;
234 * Decode the valuepair. First decode the length of the name.
236 unser_uint32(current_xattr->name_length);
239 * Allocate room for the name and decode its content.
241 current_xattr->name = (char *)malloc(current_xattr->name_length + 1);
242 unser_bytes(current_xattr->name, current_xattr->name_length);
245 * The xattr_name needs to be null terminated for lsetxattr.
247 current_xattr->name[current_xattr->name_length] = '\0';
250 * Decode the value length.
252 unser_uint32(current_xattr->value_length);
255 * Allocate room for the value and decode its content.
257 current_xattr->value = (char *)malloc(current_xattr->value_length);
258 unser_bytes(current_xattr->value, current_xattr->value_length);
260 xattr_value_list->append(current_xattr);
263 unser_end(jcr->xattr_data->content, jcr->xattr_data->content_length);
269 * This is a supported OS, See what kind of interface we should use.
271 #if defined(HAVE_DARWIN_OS) || \
272 defined(HAVE_LINUX_OS)
274 #if (!defined(HAVE_LISTXATTR) && !defined(HAVE_LLISTXATTR)) || \
275 (!defined(HAVE_GETXATTR) && !defined(HAVE_LGETXATTR)) || \
276 (!defined(HAVE_SETXATTR) && !defined(HAVE_LSETXATTR))
277 #error "Missing either full support for the LXATTR or XATTR functions."
280 #ifdef HAVE_SYS_XATTR_H
281 #include <sys/xattr.h>
283 #error "Missing sys/xattr.h header file"
287 * Define the supported XATTR streams for this OS
289 #if defined(HAVE_DARWIN_OS)
290 static int os_default_xattr_streams[1] = { STREAM_XATTR_DARWIN };
291 static const char *xattr_acl_skiplist[2] = { "com.apple.system.Security", NULL };
292 static const char *xattr_skiplist[3] = { "com.apple.system.extendedsecurity", "com.apple.ResourceFork", NULL };
293 #elif defined(HAVE_LINUX_OS)
294 static int os_default_xattr_streams[1] = { STREAM_XATTR_LINUX };
295 static const char *xattr_acl_skiplist[2] = { "system.posix_acl_access", NULL };
296 static const char *xattr_skiplist[1] = { NULL };
300 * OSX doesn't have llistxattr, lgetxattr and lsetxattr but has
301 * listxattr, getxattr and setxattr with an extra options argument
302 * which mimics the l variants of the functions when we specify
303 * XATTR_NOFOLLOW as the options value.
305 #if defined(HAVE_DARWIN_OS)
306 #define llistxattr(path, list, size) listxattr((path), (list), (size), XATTR_NOFOLLOW)
307 #define lgetxattr(path, name, value, size) getxattr((path), (name), (value), (size), 0, XATTR_NOFOLLOW)
308 #define lsetxattr(path, name, value, size, flags) setxattr((path), (name), (value), (size), (flags), XATTR_NOFOLLOW)
311 * Fallback to the non l-functions when those are not available.
313 #if defined(HAVE_GETXATTR) && !defined(HAVE_LGETXATTR)
314 #define lgetxattr getxattr
316 #if defined(HAVE_SETXATTR) && !defined(HAVE_LSETXATTR)
317 #define lsetxattr setxattr
319 #if defined(HAVE_LISTXATTR) && !defined(HAVE_LLISTXATTR)
320 #define llistxattr listxattr
324 static bxattr_exit_code linux_xattr_build_streams(JCR *jcr, FF_PKT *ff_pkt)
327 char *xattr_list, *bp;
328 int cnt, xattr_count = 0;
329 int32_t xattr_list_len,
331 uint32_t expected_serialize_len = 0;
332 xattr_t *current_xattr;
333 alist *xattr_value_list = NULL;
334 bxattr_exit_code retval = bxattr_exit_error;
338 * First get the length of the available list with extended attributes.
340 xattr_list_len = llistxattr(jcr->last_fname, NULL, 0);
341 if (xattr_list_len < 0) {
344 return bxattr_exit_ok;
346 Mmsg2(jcr->errmsg, _("llistxattr error on file \"%s\": ERR=%s\n"),
347 jcr->last_fname, be.bstrerror());
348 Dmsg2(100, "llistxattr error file=%s ERR=%s\n",
349 jcr->last_fname, be.bstrerror());
350 return bxattr_exit_error;
352 } else if (xattr_list_len == 0) {
353 return bxattr_exit_ok;
357 * Allocate room for the extented attribute list.
359 xattr_list = (char *)malloc(xattr_list_len + 1);
360 memset((caddr_t)xattr_list, 0, xattr_list_len + 1);
363 * Get the actual list of extended attributes names for a file.
365 xattr_list_len = llistxattr(jcr->last_fname, xattr_list, xattr_list_len);
366 if (xattr_list_len < 0) {
369 retval = bxattr_exit_ok;
372 Mmsg2(jcr->errmsg, _("llistxattr error on file \"%s\": ERR=%s\n"),
373 jcr->last_fname, be.bstrerror());
374 Dmsg2(100, "llistxattr error file=%s ERR=%s\n",
375 jcr->last_fname, be.bstrerror());
379 xattr_list[xattr_list_len] = '\0';
381 xattr_value_list = New(alist(10, not_owned_by_alist));
384 * Walk the list of extended attributes names and retrieve the data.
385 * We already count the bytes needed for serializing the stream later on.
388 while ((bp - xattr_list) + 1 < xattr_list_len) {
392 * On some OSes you also get the acls in the extented attribute list.
393 * So we check if we are already backing up acls and if we do we
394 * don't store the extended attribute with the same info.
396 if (ff_pkt->flags & FO_ACL) {
397 for (cnt = 0; xattr_acl_skiplist[cnt] != NULL; cnt++) {
398 if (bstrcmp(bp, xattr_acl_skiplist[cnt])) {
406 * On some OSes we want to skip certain xattrs which are in the xattr_skiplist array.
409 for (cnt = 0; xattr_skiplist[cnt] != NULL; cnt++) {
410 if (bstrcmp(bp, xattr_skiplist[cnt])) {
418 bp = strchr(bp, '\0') + 1;
423 * Each xattr valuepair starts with a magic so we can parse it easier.
425 current_xattr = (xattr_t *)malloc(sizeof(xattr_t));
426 current_xattr->magic = XATTR_MAGIC;
427 expected_serialize_len += sizeof(current_xattr->magic);
430 * Allocate space for storing the name.
432 current_xattr->name_length = strlen(bp);
433 current_xattr->name = (char *)malloc(current_xattr->name_length);
434 memcpy((caddr_t)current_xattr->name, (caddr_t)bp, current_xattr->name_length);
436 expected_serialize_len += sizeof(current_xattr->name_length) + current_xattr->name_length;
439 * First see how long the value is for the extended attribute.
441 xattr_value_len = lgetxattr(jcr->last_fname, bp, NULL, 0);
442 if (xattr_value_len < 0) {
445 retval = bxattr_exit_ok;
446 free(current_xattr->name);
450 Mmsg2(jcr->errmsg, _("lgetxattr error on file \"%s\": ERR=%s\n"),
451 jcr->last_fname, be.bstrerror());
452 Dmsg2(100, "lgetxattr error file=%s ERR=%s\n",
453 jcr->last_fname, be.bstrerror());
454 free(current_xattr->name);
461 * Allocate space for storing the value.
463 current_xattr->value = (char *)malloc(xattr_value_len);
464 memset((caddr_t)current_xattr->value, 0, xattr_value_len);
466 xattr_value_len = lgetxattr(jcr->last_fname, bp, current_xattr->value, xattr_value_len);
467 if (xattr_value_len < 0) {
470 retval = bxattr_exit_ok;
471 free(current_xattr->value);
472 free(current_xattr->name);
476 Mmsg2(jcr->errmsg, _("lgetxattr error on file \"%s\": ERR=%s\n"),
477 jcr->last_fname, be.bstrerror());
478 Dmsg2(100, "lgetxattr error file=%s ERR=%s\n",
479 jcr->last_fname, be.bstrerror());
480 free(current_xattr->value);
481 free(current_xattr->name);
488 * Store the actual length of the value.
490 current_xattr->value_length = xattr_value_len;
491 expected_serialize_len += sizeof(current_xattr->value_length) + current_xattr->value_length;
494 * Protect ourself against things getting out of hand.
496 if (expected_serialize_len >= MAX_XATTR_STREAM) {
497 Mmsg2(jcr->errmsg, _("Xattr stream on file \"%s\" exceeds maximum size of %d bytes\n"),
498 jcr->last_fname, MAX_XATTR_STREAM);
499 free(current_xattr->value);
500 free(current_xattr->name);
505 xattr_value_list->append(current_xattr);
507 bp = strchr(bp, '\0') + 1;
511 xattr_list = (char *)NULL;
514 * If we found any xattr send them to the SD.
516 if (xattr_count > 0) {
518 * Serialize the datastream.
520 if (serialize_xattr_stream(jcr, expected_serialize_len, xattr_value_list) < expected_serialize_len) {
521 Mmsg1(jcr->errmsg, _("Failed to serialize extended attributes on file \"%s\"\n"),
523 Dmsg1(100, "Failed to serialize extended attributes on file \"%s\"\n",
528 xattr_drop_internal_table(xattr_value_list);
531 * Send the datastream to the SD.
533 return send_xattr_stream(jcr, os_default_xattr_streams[0]);
535 xattr_drop_internal_table(xattr_value_list);
537 return bxattr_exit_ok;
541 if (xattr_list != NULL) {
544 if (xattr_value_list != NULL) {
545 xattr_drop_internal_table(xattr_value_list);
550 static bxattr_exit_code linux_xattr_parse_streams(JCR *jcr, int stream)
552 xattr_t *current_xattr;
553 alist *xattr_value_list;
556 xattr_value_list = New(alist(10, not_owned_by_alist));
558 if (unserialize_xattr_stream(jcr, xattr_value_list) != bxattr_exit_ok) {
559 xattr_drop_internal_table(xattr_value_list);
560 return bxattr_exit_error;
563 foreach_alist(current_xattr, xattr_value_list) {
564 if (lsetxattr(jcr->last_fname, current_xattr->name, current_xattr->value, current_xattr->value_length, 0) != 0) {
569 Mmsg2(jcr->errmsg, _("lsetxattr error on file \"%s\": ERR=%s\n"),
570 jcr->last_fname, be.bstrerror());
571 Dmsg2(100, "lsetxattr error file=%s ERR=%s\n",
572 jcr->last_fname, be.bstrerror());
578 xattr_drop_internal_table(xattr_value_list);
579 return bxattr_exit_ok;
582 xattr_drop_internal_table(xattr_value_list);
583 return bxattr_exit_error;
587 * Function pointers to the build and parse function to use for these xattrs.
589 static bxattr_exit_code (*os_build_xattr_streams)(JCR *jcr, FF_PKT *ff_pkt) = linux_xattr_build_streams;
590 static bxattr_exit_code (*os_parse_xattr_streams)(JCR *jcr, int stream) = linux_xattr_parse_streams;
592 #elif defined(HAVE_FREEBSD_OS) || \
593 defined(HAVE_NETBSD_OS) || \
594 defined(HAVE_OPENBSD_OS)
596 #if (!defined(HAVE_EXTATTR_GET_LINK) && !defined(HAVE_EXTATTR_GET_FILE)) || \
597 (!defined(HAVE_EXTATTR_SET_LINK) && !defined(HAVE_EXTATTR_SET_FILE)) || \
598 (!defined(HAVE_EXTATTR_LIST_LINK) && !defined(HAVE_EXTATTR_LIST_FILE)) || \
599 !defined(HAVE_EXTATTR_NAMESPACE_TO_STRING) || \
600 !defined(HAVE_EXTATTR_STRING_TO_NAMESPACE)
601 #error "Missing full support for the extattr functions."
604 #ifdef HAVE_SYS_EXTATTR_H
605 #include <sys/extattr.h>
607 #error "Missing sys/extattr.h header file"
610 #ifdef HAVE_LIBUTIL_H
614 #if !defined(HAVE_EXTATTR_GET_LINK) && defined(HAVE_EXTATTR_GET_FILE)
615 #define extattr_get_link extattr_get_file
617 #if !defined(HAVE_EXTATTR_SET_LINK) && defined(HAVE_EXTATTR_SET_FILE)
618 #define extattr_set_link extattr_set_file
620 #if !defined(HAVE_EXTATTR_LIST_LINK) && defined(HAVE_EXTATTR_LIST_FILE)
621 #define extattr_list_link extattr_list_file
624 #if defined(HAVE_FREEBSD_OS)
625 static int os_default_xattr_streams[1] = { STREAM_XATTR_FREEBSD };
626 static int os_default_xattr_namespaces[2] = { EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM };
627 static const char *xattr_acl_skiplist[2] = { "system.posix1e.acl_access", NULL };
628 static const char *xattr_skiplist[1] = { NULL };
629 #elif defined(HAVE_NETBSD_OS)
630 static int os_default_xattr_streams[1] = { STREAM_XATTR_NETBSD };
631 static int os_default_xattr_namespaces[2] = { EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM };
632 static const char *xattr_acl_skiplist[1] = { NULL };
633 static const char *xattr_skiplist[1] = { NULL };
634 #elif defined(HAVE_OPENBSD_OS)
635 static int os_default_xattr_streams[1] = { STREAM_XATTR_OPENBSD };
636 static int os_default_xattr_namespaces[2] = { EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM };
637 static const char *xattr_acl_skiplist[1] = { NULL };
638 static const char *xattr_skiplist[1] = { NULL };
641 static bxattr_exit_code bsd_build_xattr_streams(JCR *jcr, FF_PKT *ff_pkt)
645 int cnt, index, xattr_count = 0;
646 int32_t xattr_list_len,
648 uint32_t expected_serialize_len = 0;
649 unsigned int namespace_index;
651 char *current_attrnamespace = NULL, current_attrname[BUFSIZ], current_attrtuple[BUFSIZ];
652 xattr_t *current_xattr;
653 alist *xattr_value_list = NULL;
654 bxattr_exit_code retval = bxattr_exit_error;
657 xattr_value_list = New(alist(10, not_owned_by_alist));
660 * Loop over all available xattr namespaces.
662 for (namespace_index = 0; namespace_index < sizeof(os_default_xattr_namespaces) / sizeof(int); namespace_index++) {
663 attrnamespace = os_default_xattr_namespaces[namespace_index];
666 * Convert the numeric attrnamespace into a string representation and make a private copy of that string.
667 * The extattr_namespace_to_string functions returns a strdupped string which we need to free.
669 if (extattr_namespace_to_string(attrnamespace, ¤t_attrnamespace) != 0) {
670 Mmsg2(jcr->errmsg, _("Failed to convert %d into namespace on file \"%s\"\n"),
671 attrnamespace, jcr->last_fname);
672 Dmsg2(100, "Failed to convert %d into namespace on file \"%s\"\n",
673 attrnamespace, jcr->last_fname);
678 * First get the length of the available list with extended attributes.
680 xattr_list_len = extattr_list_link(jcr->last_fname, attrnamespace, NULL, 0);
681 if (xattr_list_len < 0) {
684 retval = bxattr_exit_ok;
687 Mmsg2(jcr->errmsg, _("extattr_list_link error on file \"%s\": ERR=%s\n"),
688 jcr->last_fname, be.bstrerror());
689 Dmsg2(100, "extattr_list_link error file=%s ERR=%s\n",
690 jcr->last_fname, be.bstrerror());
693 } else if (xattr_list_len == 0) {
698 * Allocate room for the extented attribute list.
700 xattr_list = (char *)malloc(xattr_list_len + 1);
701 memset((caddr_t)xattr_list, 0, xattr_list_len + 1);
704 * Get the actual list of extended attributes names for a file.
706 xattr_list_len = extattr_list_link(jcr->last_fname, attrnamespace, xattr_list, xattr_list_len);
707 if (xattr_list_len < 0) {
710 retval = bxattr_exit_ok;
713 Mmsg2(jcr->errmsg, _("extattr_list_link error on file \"%s\": ERR=%s\n"),
714 jcr->last_fname, be.bstrerror());
715 Dmsg2(100, "extattr_list_link error file=%s ERR=%s\n",
716 jcr->last_fname, be.bstrerror());
720 xattr_list[xattr_list_len] = '\0';
723 * Walk the list of extended attributes names and retrieve the data.
724 * We already count the bytes needed for serializing the stream later on.
726 for (index = 0; index < xattr_list_len; index += xattr_list[index] + 1) {
730 * Print the current name into the buffer as its not null terminated we need to
731 * use the length encoded in the string for copying only the needed bytes.
733 cnt = MIN((sizeof(current_attrname) - 1), xattr_list[index]);
734 strncpy(current_attrname, xattr_list + (index + 1), cnt);
735 current_attrname[cnt] = '\0';
738 * First make a xattr tuple of the current namespace and the name of the xattr.
739 * e.g. something like user.<attrname> or system.<attrname>
741 bsnprintf(current_attrtuple, sizeof(current_attrtuple), "%s.%s", current_attrnamespace, current_attrname);
744 * On some OSes you also get the acls in the extented attribute list.
745 * So we check if we are already backing up acls and if we do we
746 * don't store the extended attribute with the same info.
748 if (ff_pkt->flags & FO_ACL) {
749 for (cnt = 0; xattr_acl_skiplist[cnt] != NULL; cnt++) {
750 if (bstrcmp(current_attrtuple, xattr_acl_skiplist[cnt])) {
758 * On some OSes we want to skip certain xattrs which are in the xattr_skiplist array.
761 for (cnt = 0; xattr_skiplist[cnt] != NULL; cnt++) {
762 if (bstrcmp(current_attrtuple, xattr_skiplist[cnt])) {
774 * Each xattr valuepair starts with a magic so we can parse it easier.
776 current_xattr = (xattr_t *)malloc(sizeof(xattr_t));
777 current_xattr->magic = XATTR_MAGIC;
778 expected_serialize_len += sizeof(current_xattr->magic);
781 * Allocate space for storing the name.
783 current_xattr->name_length = strlen(current_attrtuple);
784 current_xattr->name = (char *)malloc(current_xattr->name_length);
785 memcpy((caddr_t)current_xattr->name, (caddr_t)current_attrtuple, current_xattr->name_length);
787 expected_serialize_len += sizeof(current_xattr->name_length) + current_xattr->name_length;
790 * First see how long the value is for the extended attribute.
792 xattr_value_len = extattr_get_link(jcr->last_fname, attrnamespace, current_attrname, NULL, 0);
793 if (xattr_value_len < 0) {
796 retval = bxattr_exit_ok;
797 free(current_xattr->name);
801 Mmsg2(jcr->errmsg, _("extattr_get_link error on file \"%s\": ERR=%s\n"),
802 jcr->last_fname, be.bstrerror());
803 Dmsg2(100, "extattr_get_link error file=%s ERR=%s\n",
804 jcr->last_fname, be.bstrerror());
805 free(current_xattr->name);
812 * Allocate space for storing the value.
814 current_xattr->value = (char *)malloc(xattr_value_len);
815 memset((caddr_t)current_xattr->value, 0, xattr_value_len);
817 xattr_value_len = extattr_get_link(jcr->last_fname, attrnamespace, current_attrname, current_xattr->value, xattr_value_len);
818 if (xattr_value_len < 0) {
821 retval = bxattr_exit_ok;
822 free(current_xattr->value);
823 free(current_xattr->name);
827 Mmsg2(jcr->errmsg, _("extattr_get_link error on file \"%s\": ERR=%s\n"),
828 jcr->last_fname, be.bstrerror());
829 Dmsg2(100, "extattr_get_link error file=%s ERR=%s\n",
830 jcr->last_fname, be.bstrerror());
831 free(current_xattr->value);
832 free(current_xattr->name);
839 * Store the actual length of the value.
841 current_xattr->value_length = xattr_value_len;
842 expected_serialize_len += sizeof(current_xattr->value_length) + current_xattr->value_length;
845 * Protect ourself against things getting out of hand.
847 if (expected_serialize_len >= MAX_XATTR_STREAM) {
848 Mmsg2(jcr->errmsg, _("Xattr stream on file \"%s\" exceeds maximum size of %d bytes\n"),
849 jcr->last_fname, MAX_XATTR_STREAM);
850 free(current_xattr->value);
851 free(current_xattr->name);
856 xattr_value_list->append(current_xattr);
862 * Drop the local copy of the current_attrnamespace.
864 actuallyfree(current_attrnamespace);
865 current_attrnamespace = NULL;
868 * We are done with this xattr list.
871 xattr_list = (char *)NULL;
875 * If we found any xattr send them to the SD.
877 if (xattr_count > 0) {
879 * Serialize the datastream.
881 if (serialize_xattr_stream(jcr, expected_serialize_len, xattr_value_list) < expected_serialize_len) {
882 Mmsg1(jcr->errmsg, _("Failed to serialize extended attributes on file \"%s\"\n"),
884 Dmsg1(100, "Failed to serialize extended attributes on file \"%s\"\n",
889 xattr_drop_internal_table(xattr_value_list);
890 xattr_value_list = NULL;
893 * Send the datastream to the SD.
895 return send_xattr_stream(jcr, os_default_xattr_streams[0]);
897 xattr_drop_internal_table(xattr_value_list);
898 xattr_value_list = NULL;
900 return bxattr_exit_ok;
904 if (current_attrnamespace != NULL) {
905 actuallyfree(current_attrnamespace);
906 current_attrnamespace = NULL;
908 if (xattr_list != NULL) {
911 if (xattr_value_list != NULL) {
912 xattr_drop_internal_table(xattr_value_list);
913 xattr_value_list = NULL;
918 static bxattr_exit_code bsd_parse_xattr_streams(JCR *jcr, int stream)
920 xattr_t *current_xattr;
921 alist *xattr_value_list;
922 int current_attrnamespace, cnt;
923 char *attrnamespace, *attrname;
926 xattr_value_list = New(alist(10, not_owned_by_alist));
928 if (unserialize_xattr_stream(jcr, xattr_value_list) != bxattr_exit_ok) {
929 xattr_drop_internal_table(xattr_value_list);
930 return bxattr_exit_error;
933 foreach_alist(current_xattr, xattr_value_list) {
935 * Try splitting the xattr_name into a namespace and name part.
936 * The splitting character is a .
938 attrnamespace = current_xattr->name;
939 if ((attrname = strchr(attrnamespace, '.')) == (char *)NULL) {
940 Mmsg2(jcr->errmsg, _("Failed to split %s into namespace and name part on file \"%s\"\n"),
941 current_xattr->name, jcr->last_fname);
942 Dmsg2(100, "Failed to split %s into namespace and name part on file \"%s\"\n",
943 current_xattr->name, jcr->last_fname);
949 * Make sure the attrnamespace makes sense.
951 if (extattr_string_to_namespace(attrnamespace, ¤t_attrnamespace) != 0) {
952 Mmsg2(jcr->errmsg, _("Failed to convert %s into namespace on file \"%s\"\n"),
953 attrnamespace, jcr->last_fname);
954 Dmsg2(100, "Failed to convert %s into namespace on file \"%s\"\n",
955 attrnamespace, jcr->last_fname);
960 * Try restoring the extended attribute.
962 cnt = extattr_set_link(jcr->last_fname, current_attrnamespace,
963 attrname, current_xattr->value, current_xattr->value_length);
964 if (cnt < 0 || cnt != current_xattr->value_length) {
970 Mmsg2(jcr->errmsg, _("extattr_set_link error on file \"%s\": ERR=%s\n"),
971 jcr->last_fname, be.bstrerror());
972 Dmsg2(100, "extattr_set_link error file=%s ERR=%s\n",
973 jcr->last_fname, be.bstrerror());
980 xattr_drop_internal_table(xattr_value_list);
981 return bxattr_exit_ok;
984 xattr_drop_internal_table(xattr_value_list);
985 return bxattr_exit_error;
989 * Function pointers to the build and parse function to use for these xattrs.
991 static bxattr_exit_code (*os_build_xattr_streams)(JCR *jcr, FF_PKT *ff_pkt) = bsd_build_xattr_streams;
992 static bxattr_exit_code (*os_parse_xattr_streams)(JCR *jcr, int stream) = bsd_parse_xattr_streams;
994 #elif defined(HAVE_SUN_OS)
996 * Solaris extended attributes were introduced in Solaris 9
999 * Solaris extensible attributes were introduced in OpenSolaris
1000 * by PSARC 2007/315 Solaris extensible attributes are also
1001 * sometimes called extended system attributes.
1003 * man fsattr(5) on Solaris gives a wealth of info. The most
1004 * important bits are:
1006 * Attributes are logically supported as files within the file
1007 * system. The file system is therefore augmented with an
1008 * orthogonal name space of file attributes. Any file (includ-
1009 * ing attribute files) can have an arbitrarily deep attribute
1010 * tree associated with it. Attribute values are accessed by
1011 * file descriptors obtained through a special attribute inter-
1012 * face. This logical view of "attributes as files" allows the
1013 * leveraging of existing file system interface functionality
1014 * to support the construction, deletion, and manipulation of
1017 * The special files "." and ".." retain their accustomed
1018 * semantics within the attribute hierarchy. The "." attribute
1019 * file refers to the current directory and the ".." attribute
1020 * file refers to the parent directory. The unnamed directory
1021 * at the head of each attribute tree is considered the "child"
1022 * of the file it is associated with and the ".." file refers
1023 * to the associated file. For any non-directory file with
1024 * attributes, the ".." entry in the unnamed directory refers
1025 * to a file that is not a directory.
1027 * Conceptually, the attribute model is fully general. Extended
1028 * attributes can be any type of file (doors, links, direc-
1029 * tories, and so forth) and can even have their own attributes
1030 * (fully recursive). As a result, the attributes associated
1031 * with a file could be an arbitrarily deep directory hierarchy
1032 * where each attribute could have an equally complex attribute
1033 * tree associated with it. Not all implementations are able
1034 * to, or want to, support the full model. Implementation are
1035 * therefore permitted to reject operations that are not sup-
1036 * ported. For example, the implementation for the UFS file
1037 * system allows only regular files as attributes (for example,
1038 * no sub-directories) and rejects attempts to place attributes
1041 * The following list details the operations that are rejected
1042 * in the current implementation:
1044 * link Any attempt to create links between
1045 * attribute and non-attribute space
1046 * is rejected to prevent security-
1047 * related or otherwise sensitive
1048 * attributes from being exposed, and
1049 * therefore manipulable, as regular
1052 * rename Any attempt to rename between
1053 * attribute and non-attribute space
1054 * is rejected to prevent an already
1055 * linked file from being renamed and
1056 * thereby circumventing the link res-
1059 * mkdir, symlink, mknod Any attempt to create a "non-
1060 * regular" file in attribute space is
1061 * rejected to reduce the functional-
1062 * ity, and therefore exposure and
1063 * risk, of the initial implementa-
1066 * The entire available name space has been allocated to "gen-
1067 * eral use" to bring the implementation in line with the NFSv4
1068 * draft standard [NFSv4]. That standard defines "named attri-
1069 * butes" (equivalent to Solaris Extended Attributes) with no
1070 * naming restrictions. All Sun applications making use of
1071 * opaque extended attributes will use the prefix "SUNW".
1074 #ifdef HAVE_SYS_ATTR_H
1075 #include <sys/attr.h>
1082 #ifdef HAVE_SYS_NVPAIR_H
1083 #include <sys/nvpair.h>
1086 #ifdef HAVE_SYS_ACL_H
1087 #include <sys/acl.h>
1090 #if !defined(HAVE_OPENAT) || \
1091 !defined(HAVE_UNLINKAT) || \
1092 !defined(HAVE_FCHOWNAT) || \
1093 !defined(HAVE_FUTIMESAT)
1094 #error "Unable to compile code because of missing openat, unlinkat, fchownat or futimesat function"
1098 * Define the supported XATTR streams for this OS
1100 #if defined(HAVE_SYS_NVPAIR_H) && defined(_PC_SATTR_ENABLED)
1101 static int os_default_xattr_streams[2] = { STREAM_XATTR_SOLARIS, STREAM_XATTR_SOLARIS_SYS};
1103 static int os_default_xattr_streams[1] = { STREAM_XATTR_SOLARIS };
1104 #endif /* defined(HAVE_SYS_NVPAIR_H) && defined(_PC_SATTR_ENABLED) */
1107 * This code creates a temporary cache with entries for each xattr which has
1108 * a link count > 1 (which indicates it has one or more hard linked counterpart(s))
1110 static xattr_link_cache_entry_t *find_xattr_link_cache_entry(JCR *jcr, ino_t inum)
1112 xattr_link_cache_entry_t *ptr;
1114 foreach_alist(ptr, jcr->xattr_data->link_cache) {
1115 if (ptr && ptr->inum == inum) {
1122 static void add_xattr_link_cache_entry(JCR *jcr, ino_t inum, char *target)
1124 xattr_link_cache_entry_t *ptr;
1126 ptr = (xattr_link_cache_entry_t *)malloc(sizeof(xattr_link_cache_entry_t));
1127 memset((caddr_t)ptr, 0, sizeof(xattr_link_cache_entry_t));
1129 bstrncpy(ptr->target, target, sizeof(ptr->target));
1130 jcr->xattr_data->link_cache->append(ptr);
1133 #if defined(HAVE_SYS_NVPAIR_H) && defined(_PC_SATTR_ENABLED)
1135 * This function returns true if a non default extended system attribute
1136 * list is associated with fd and returns false when an error has occured
1137 * or when only extended system attributes other than archive,
1138 * av_modified or crtime are set.
1140 * The function returns true for the following cases:
1142 * - any extended system attribute other than the default attributes
1143 * ('archive', 'av_modified' and 'crtime') is set
1144 * - nvlist has NULL name string
1145 * - nvpair has data type of 'nvlist'
1146 * - default data type.
1148 static bool solaris_has_non_transient_extensible_attributes(int fd)
1156 bool retval = false;
1158 if (fgetattr(fd, XATTR_VIEW_READWRITE, &response) != 0) {
1163 while ((pair = nvlist_next_nvpair(response, pair)) != NULL) {
1164 name = nvpair_name(pair);
1167 fattr = name_to_attr(name);
1173 type = nvpair_type(pair);
1175 case DATA_TYPE_BOOLEAN_VALUE:
1176 if (nvpair_value_boolean_value(pair, &value) != 0) {
1179 if (value && fattr != F_ARCHIVE &&
1180 fattr != F_AV_MODIFIED) {
1185 case DATA_TYPE_UINT64_ARRAY:
1186 if (fattr != F_CRTIME) {
1191 case DATA_TYPE_NVLIST:
1199 if (response != NULL) {
1200 nvlist_free(response);
1204 #endif /* HAVE_SYS_NVPAIR_H && _PC_SATTR_ENABLED */
1206 #if defined(HAVE_ACL) && !defined(HAVE_EXTENDED_ACL)
1208 * See if an acl is a trivial one (e.g. just the stat bits encoded as acl.)
1209 * There is no need to store those acls as we already store the stat bits too.
1211 static bool acl_is_trivial(int count, aclent_t *entries)
1216 for (n = 0; n < count; n++) {
1218 if (!(ace->a_type == USER_OBJ ||
1219 ace->a_type == GROUP_OBJ ||
1220 ace->a_type == OTHER_OBJ ||
1221 ace->a_type == CLASS_OBJ))
1226 #endif /* HAVE_ACL && !HAVE_EXTENDED_ACL */
1228 static bxattr_exit_code solaris_save_xattr_acl(JCR *jcr, int fd, const char *attrname, char **acl_text)
1231 #ifdef HAVE_EXTENDED_ACL
1237 * See if this attribute has an ACL
1239 if ((fd != -1 && fpathconf(fd, _PC_ACL_ENABLED) > 0) ||
1240 pathconf(attrname, _PC_ACL_ENABLED) > 0) {
1242 * See if there is a non trivial acl on the file.
1244 if ((fd != -1 && facl_get(fd, ACL_NO_TRIVIAL, &aclp) != 0) ||
1245 acl_get(attrname, ACL_NO_TRIVIAL, &aclp) != 0) {
1248 return bxattr_exit_ok;
1250 Mmsg3(jcr->errmsg, _("Unable to get acl on xattr %s on file \"%s\": ERR=%s\n"),
1251 attrname, jcr->last_fname, be.bstrerror());
1252 Dmsg3(100, "facl_get/acl_get of xattr %s on \"%s\" failed: ERR=%s\n",
1253 attrname, jcr->last_fname, be.bstrerror());
1254 return bxattr_exit_error;
1259 #if defined(ACL_SID_FMT)
1261 * New format flag added in newer Solaris versions.
1263 flags = ACL_APPEND_ID | ACL_COMPACT_FMT | ACL_SID_FMT;
1265 flags = ACL_APPEND_ID | ACL_COMPACT_FMT;
1266 #endif /* ACL_SID_FMT */
1268 *acl_text = acl_totext(aclp, flags);
1276 return bxattr_exit_ok;
1277 #else /* HAVE_EXTENDED_ACL */
1279 aclent_t *acls = NULL;
1283 * See if this attribute has an ACL
1286 n = facl(fd, GETACLCNT, 0, NULL);
1288 n = acl(attrname, GETACLCNT, 0, NULL);
1291 if (n >= MIN_ACL_ENTRIES) {
1292 acls = (aclent_t *)malloc(n * sizeof(aclent_t));
1293 if ((fd != -1 && facl(fd, GETACL, n, acls) != n) ||
1294 acl(attrname, GETACL, n, acls) != n) {
1298 return bxattr_exit_ok;
1300 Mmsg3(jcr->errmsg, _("Unable to get acl on xattr %s on file \"%s\": ERR=%s\n"),
1301 attrname, jcr->last_fname, be.bstrerror());
1302 Dmsg3(100, "facl/acl of xattr %s on \"%s\" failed: ERR=%s\n",
1303 attrname, jcr->last_fname, be.bstrerror());
1305 return bxattr_exit_error;
1310 * See if there is a non trivial acl on the file.
1312 if (!acl_is_trivial(n, acls)) {
1313 if ((*acl_text = acltotext(acls, n)) == NULL) {
1314 Mmsg3(jcr->errmsg, _("Unable to get acl text on xattr %s on file \"%s\": ERR=%s\n"),
1315 attrname, jcr->last_fname, be.bstrerror());
1316 Dmsg3(100, "acltotext of xattr %s on \"%s\" failed: ERR=%s\n",
1317 attrname, jcr->last_fname, be.bstrerror());
1319 return bxattr_exit_error;
1329 return bxattr_exit_ok;
1330 #endif /* HAVE_EXTENDED_ACL */
1332 #else /* HAVE_ACL */
1333 return bxattr_exit_ok;
1334 #endif /* HAVE_ACL */
1338 * Forward declaration for recursive function call.
1340 static bxattr_exit_code solaris_save_xattrs(JCR *jcr, const char *xattr_namespace, const char *attr_parent);
1343 * Save an extended or extensible attribute.
1344 * This is stored as an opaque stream of bytes with the following encoding:
1346 * <xattr_name>\0<stat_buffer>\0<acl_string>\0<actual_xattr_data>
1348 * or for a hardlinked or symlinked attribute
1350 * <xattr_name>\0<stat_buffer>\0<xattr_link_source>\0
1352 * xattr_name can be a subpath relative to the file the xattr is on.
1353 * stat_buffer is the string representation of the stat struct.
1354 * acl_string is an acl text when a non trivial acl is set on the xattr.
1355 * actual_xattr_data is the content of the xattr file.
1357 static bxattr_exit_code solaris_save_xattr(JCR *jcr, int fd, const char *xattr_namespace,
1358 const char *attrname, bool toplevel_hidden_dir, int stream)
1363 xattr_link_cache_entry_t *xlce;
1364 char target_attrname[PATH_MAX];
1365 char link_source[PATH_MAX];
1366 char *acl_text = NULL;
1367 char attribs[MAXSTRING];
1368 char buffer[BUFSIZ];
1369 bxattr_exit_code retval = bxattr_exit_error;
1372 bsnprintf(target_attrname, sizeof(target_attrname), "%s%s", xattr_namespace, attrname);
1375 * Get the stats of the extended or extensible attribute.
1377 if (fstatat(fd, attrname, &st, AT_SYMLINK_NOFOLLOW) < 0) {
1380 retval = bxattr_exit_ok;
1383 Mmsg3(jcr->errmsg, _("Unable to get status on xattr %s on file \"%s\": ERR=%s\n"),
1384 target_attrname, jcr->last_fname, be.bstrerror());
1385 Dmsg3(100, "fstatat of xattr %s on \"%s\" failed: ERR=%s\n",
1386 target_attrname, jcr->last_fname, be.bstrerror());
1392 * Based on the filetype perform the correct action. We support most filetypes here, more
1393 * then the actual implementation on Solaris supports so some code may never get executed
1394 * due to limitations in the implementation.
1396 switch (st.st_mode & S_IFMT) {
1401 * Get any acl on the xattr.
1403 if (solaris_save_xattr_acl(jcr, attrfd, attrname, &acl_text) != bxattr_exit_ok)
1407 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
1408 * Encode the stat struct into an ASCII representation.
1410 encode_stat(attribs, &st, 0, stream);
1411 cnt = bsnprintf(buffer, sizeof(buffer), "%s%c%s%c%s%c",
1412 target_attrname, 0, attribs, 0, (acl_text) ? acl_text : "", 0);
1416 * Get any acl on the xattr.
1418 if (solaris_save_xattr_acl(jcr, attrfd, attrname, &acl_text) != bxattr_exit_ok)
1422 * See if this is the toplevel_hidden_dir being saved.
1424 if (toplevel_hidden_dir) {
1426 * Save the data for later storage when we encounter a real xattr. We store the data
1427 * in the jcr->xattr_data->content buffer and flush that just before sending out the
1428 * first real xattr. Encode the stat struct into an ASCII representation and jump
1429 * out of the function.
1431 encode_stat(attribs, &st, 0, stream);
1432 cnt = bsnprintf(buffer, sizeof(buffer),
1434 target_attrname, 0, attribs, 0, (acl_text) ? acl_text : "", 0);
1435 pm_memcpy(jcr->xattr_data->content, buffer, cnt);
1436 jcr->xattr_data->content_length = cnt;
1440 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
1441 * Encode the stat struct into an ASCII representation.
1443 encode_stat(attribs, &st, 0, stream);
1444 cnt = bsnprintf(buffer, sizeof(buffer),
1446 target_attrname, 0, attribs, 0, (acl_text) ? acl_text : "", 0);
1451 * If this is a hardlinked file check the inode cache for a hit.
1453 if (st.st_nlink > 1) {
1455 * See if the cache already knows this inode number.
1457 if ((xlce = find_xattr_link_cache_entry(jcr, st.st_ino)) != NULL) {
1459 * Generate a xattr encoding with the reference to the target in there.
1461 encode_stat(attribs, &st, st.st_ino, stream);
1462 cnt = bsnprintf(buffer, sizeof(buffer),
1464 target_attrname, 0, attribs, 0, xlce->target, 0);
1465 pm_memcpy(jcr->xattr_data->content, buffer, cnt);
1466 jcr->xattr_data->content_length = cnt;
1467 retval = send_xattr_stream(jcr, stream);
1470 * For a hard linked file we are ready now, no need to recursively save the attributes.
1476 * Store this hard linked file in the cache.
1477 * Store the name relative to the top level xattr space.
1479 add_xattr_link_cache_entry(jcr, st.st_ino, target_attrname + 1);
1483 * Get any acl on the xattr.
1485 if (solaris_save_xattr_acl(jcr, attrfd, attrname, &acl_text) != bxattr_exit_ok) {
1490 * Encode the stat struct into an ASCII representation.
1492 encode_stat(attribs, &st, 0, stream);
1493 cnt = bsnprintf(buffer, sizeof(buffer),
1495 target_attrname, 0, attribs, 0, (acl_text) ? acl_text : "", 0);
1498 * Open the extended or extensible attribute file.
1500 if ((attrfd = openat(fd, attrname, O_RDONLY)) < 0) {
1503 retval = bxattr_exit_ok;
1506 Mmsg3(jcr->errmsg, _("Unable to open xattr %s on \"%s\": ERR=%s\n"),
1507 target_attrname, jcr->last_fname, be.bstrerror());
1508 Dmsg3(100, "openat of xattr %s on \"%s\" failed: ERR=%s\n",
1509 target_attrname, jcr->last_fname, be.bstrerror());
1516 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
1517 * Encode the stat struct into an ASCII representation.
1519 if (readlink(attrname, link_source, sizeof(link_source)) < 0) {
1522 retval = bxattr_exit_ok;
1525 Mmsg3(jcr->errmsg, _("Unable to read symlin %s on \"%s\": ERR=%s\n"),
1526 target_attrname, jcr->last_fname, be.bstrerror());
1527 Dmsg3(100, "readlink of xattr %s on \"%s\" failed: ERR=%s\n",
1528 target_attrname, jcr->last_fname, be.bstrerror());
1534 * Generate a xattr encoding with the reference to the target in there.
1536 encode_stat(attribs, &st, st.st_ino, stream);
1537 cnt = bsnprintf(buffer, sizeof(buffer),
1539 target_attrname, 0, attribs, 0, link_source, 0);
1540 pm_memcpy(jcr->xattr_data->content, buffer, cnt);
1541 jcr->xattr_data->content_length = cnt;
1542 retval = send_xattr_stream(jcr, stream);
1544 if (retval == bxattr_exit_ok) {
1545 jcr->xattr_data->nr_saved++;
1549 * For a soft linked file we are ready now, no need to recursively save the attributes.
1557 * See if this is the first real xattr being saved.
1558 * If it is save the toplevel_hidden_dir attributes first.
1559 * This is easy as its stored already in the jcr->xattr_data->content buffer.
1561 if (jcr->xattr_data->nr_saved == 0) {
1562 retval = send_xattr_stream(jcr, STREAM_XATTR_SOLARIS);
1563 if (retval != bxattr_exit_ok) {
1566 jcr->xattr_data->nr_saved++;
1569 pm_memcpy(jcr->xattr_data->content, buffer, cnt);
1570 jcr->xattr_data->content_length = cnt;
1573 * Only dump the content of regular files.
1575 switch (st.st_mode & S_IFMT) {
1577 if (st.st_size > 0) {
1579 * Protect ourself against things getting out of hand.
1581 if (st.st_size >= MAX_XATTR_STREAM) {
1582 Mmsg2(jcr->errmsg, _("Xattr stream on file \"%s\" exceeds maximum size of %d bytes\n"),
1583 jcr->last_fname, MAX_XATTR_STREAM);
1587 while ((cnt = read(attrfd, buffer, sizeof(buffer))) > 0) {
1588 jcr->xattr_data->content = check_pool_memory_size(jcr->xattr_data->content, jcr->xattr_data->content_length + cnt);
1589 memcpy(jcr->xattr_data->content + jcr->xattr_data->content_length, buffer, cnt);
1590 jcr->xattr_data->content_length += cnt;
1594 Mmsg2(jcr->errmsg, _("Unable to read content of xattr %s on file \"%s\"\n"),
1595 target_attrname, jcr->last_fname);
1596 Dmsg2(100, "read of data from xattr %s on \"%s\" failed\n",
1597 target_attrname, jcr->last_fname);
1608 retval = send_xattr_stream(jcr, stream);
1609 if (retval == bxattr_exit_ok) {
1610 jcr->xattr_data->nr_saved++;
1615 * Recursivly call solaris_save_extended_attributes for archiving the attributes
1616 * available on this extended attribute.
1619 retval = solaris_save_xattrs(jcr, xattr_namespace, attrname);
1622 * The recursive call could change our working dir so change back to the wanted workdir.
1624 if (fchdir(fd) < 0) {
1627 retval = bxattr_exit_ok;
1630 Mmsg2(jcr->errmsg, _("Unable to chdir to xattr space of file \"%s\": ERR=%s\n"),
1631 jcr->last_fname, be.bstrerror());
1632 Dmsg3(100, "Unable to fchdir to xattr space of file \"%s\" using fd %d: ERR=%s\n",
1633 jcr->last_fname, fd, be.bstrerror());
1640 if (acl_text != NULL) {
1649 static bxattr_exit_code solaris_save_xattrs(JCR *jcr, const char *xattr_namespace, const char *attr_parent)
1652 int fd, filefd = -1, attrdirfd = -1;
1655 char current_xattr_namespace[PATH_MAX];
1656 bxattr_exit_code retval = bxattr_exit_error;
1660 * Determine what argument to use. Use attr_parent when set
1661 * (recursive call) or jcr->last_fname for first call. Also save
1662 * the current depth of the xattr_space we are in.
1666 if (xattr_namespace) {
1667 bsnprintf(current_xattr_namespace, sizeof(current_xattr_namespace), "%s%s/",
1668 xattr_namespace, attr_parent);
1670 bstrncpy(current_xattr_namespace, "/", sizeof(current_xattr_namespace));
1673 name = jcr->last_fname;
1674 bstrncpy(current_xattr_namespace, "/", sizeof(current_xattr_namespace));
1678 * Open the file on which to save the xattrs read-only.
1680 if ((filefd = open(name, O_RDONLY | O_NONBLOCK)) < 0) {
1683 retval = bxattr_exit_ok;
1686 Mmsg2(jcr->errmsg, _("Unable to open file \"%s\": ERR=%s\n"),
1687 jcr->last_fname, be.bstrerror());
1688 Dmsg2(100, "Unable to open file \"%s\": ERR=%s\n",
1689 jcr->last_fname, be.bstrerror());
1695 * Open the xattr naming space.
1697 if ((attrdirfd = openat(filefd, ".", O_RDONLY | O_XATTR)) < 0) {
1701 * Gentile way of the system saying this type of xattr layering is not supported.
1702 * Which is not problem we just forget about this this xattr.
1703 * But as this is not an error we return a positive return value.
1705 retval = bxattr_exit_ok;
1708 retval = bxattr_exit_ok;
1711 Mmsg3(jcr->errmsg, _("Unable to open xattr space %s on file \"%s\": ERR=%s\n"),
1712 name, jcr->last_fname, be.bstrerror());
1713 Dmsg3(100, "Unable to open xattr space %s on file \"%s\": ERR=%s\n",
1714 name, jcr->last_fname, be.bstrerror());
1720 * We need to change into the attribute directory to determine if each of the
1721 * attributes should be saved.
1723 if (fchdir(attrdirfd) < 0) {
1724 Mmsg2(jcr->errmsg, _("Unable to chdir to xattr space on file \"%s\": ERR=%s\n"),
1725 jcr->last_fname, be.bstrerror());
1726 Dmsg3(100, "Unable to fchdir to xattr space on file \"%s\" using fd %d: ERR=%s\n",
1727 jcr->last_fname, attrdirfd, be.bstrerror());
1732 * Save the data of the toplevel xattr hidden_dir. We save this one before anything
1733 * else because the readdir returns "." entry after the extensible attr entry.
1734 * And as we want this entry before anything else we better just save its data.
1737 solaris_save_xattr(jcr, attrdirfd, current_xattr_namespace, ".",
1738 true, STREAM_XATTR_SOLARIS);
1740 if ((fd = dup(attrdirfd)) == -1 ||
1741 (dirp = fdopendir(fd)) == (DIR *)NULL) {
1742 Mmsg2(jcr->errmsg, _("Unable to list the xattr space on file \"%s\": ERR=%s\n"),
1743 jcr->last_fname, be.bstrerror());
1744 Dmsg3(100, "Unable to fdopendir xattr space on file \"%s\" using fd %d: ERR=%s\n",
1745 jcr->last_fname, fd, be.bstrerror());
1751 * Walk the namespace.
1753 while (dp = readdir(dirp)) {
1755 * Skip only the toplevel . dir.
1757 if (!attr_parent && bstrcmp(dp->d_name, "."))
1761 * Skip all .. directories
1763 if (bstrcmp(dp->d_name, ".."))
1766 Dmsg3(400, "processing extended attribute %s%s on file \"%s\"\n",
1767 current_xattr_namespace, dp->d_name, jcr->last_fname);
1769 #if defined(HAVE_SYS_NVPAIR_H) && defined(_PC_SATTR_ENABLED)
1771 * We are not interested in read-only extensible attributes.
1773 if (bstrcmp(dp->d_name, VIEW_READONLY)) {
1774 Dmsg3(400, "Skipping readonly extensible attributes %s%s on file \"%s\"\n",
1775 current_xattr_namespace, dp->d_name, jcr->last_fname);
1781 * We are only interested in read-write extensible attributes
1782 * when they contain non-transient values.
1784 if (bstrcmp(dp->d_name, VIEW_READWRITE)) {
1786 * Determine if there are non-transient system attributes at the toplevel.
1787 * We need to provide a fd to the open file.
1789 if (!solaris_has_non_transient_extensible_attributes(filefd)) {
1790 Dmsg3(400, "Skipping transient extensible attributes %s%s on file \"%s\"\n",
1791 current_xattr_namespace, dp->d_name, jcr->last_fname);
1798 solaris_save_xattr(jcr, attrdirfd, current_xattr_namespace, dp->d_name,
1799 false, STREAM_XATTR_SOLARIS_SYS);
1802 #endif /* HAVE_SYS_NVPAIR_H && _PC_SATTR_ENABLED */
1807 solaris_save_xattr(jcr, attrdirfd, current_xattr_namespace, dp->d_name,
1808 false, STREAM_XATTR_SOLARIS);
1812 retval = bxattr_exit_ok;
1815 if (attrdirfd != -1)
1823 static bxattr_exit_code solaris_restore_xattr_acl(JCR *jcr, int fd, const char *attrname, char *acl_text)
1825 #ifdef HAVE_EXTENDED_ACL
1830 if ((error = acl_fromtext(acl_text, &aclp)) != 0) {
1831 Mmsg1(jcr->errmsg, _("Unable to convert acl from text on file \"%s\"\n"),
1833 return bxattr_exit_error;
1836 if ((fd != -1 && facl_set(fd, aclp) != 0) ||
1837 acl_set(attrname, aclp) != 0) {
1838 Mmsg3(jcr->errmsg, _("Unable to restore acl of xattr %s on file \"%s\": ERR=%s\n"),
1839 attrname, jcr->last_fname, be.bstrerror());
1840 Dmsg3(100, "Unable to restore acl of xattr %s on file \"%s\": ERR=%s\n",
1841 attrname, jcr->last_fname, be.bstrerror());
1842 return bxattr_exit_error;
1848 return bxattr_exit_ok;
1850 #else /* HAVE_EXTENDED_ACL */
1852 aclent_t *acls = NULL;
1855 acls = aclfromtext(acl_text, &n);
1857 if ((fd != -1 && facl(fd, SETACL, n, acls) != 0) ||
1858 acl(attrname, SETACL, n, acls) != 0) {
1859 Mmsg3(jcr->errmsg, _("Unable to restore acl of xattr %s on file \"%s\": ERR=%s\n"),
1860 attrname, jcr->last_fname, be.bstrerror());
1861 Dmsg3(100, "Unable to restore acl of xattr %s on file \"%s\": ERR=%s\n",
1862 attrname, jcr->last_fname, be.bstrerror());
1863 return bxattr_exit_error;
1870 return bxattr_exit_ok;
1872 #endif /* HAVE_EXTENDED_ACL */
1875 #endif /* HAVE_ACL */
1877 static bxattr_exit_code solaris_restore_xattrs(JCR *jcr, bool is_extensible)
1879 int fd, filefd = -1, attrdirfd = -1, attrfd = -1;
1880 int used_bytes, total_bytes, cnt;
1881 char *bp, *target_attrname, *attribs;
1882 char *linked_target = NULL;
1883 char *acl_text = NULL;
1887 struct timeval times[2];
1888 bxattr_exit_code retval = bxattr_exit_error;
1892 * Parse the xattr stream. First the part that is the same for all xattrs.
1895 total_bytes = jcr->xattr_data->content_length;
1898 * The name of the target xattr has a leading / we are not interested
1899 * in that so skip it when decoding the string. We always start a the /
1900 * of the xattr space anyway.
1902 target_attrname = jcr->xattr_data->content + 1;
1903 if ((bp = strchr(target_attrname, '\0')) == (char *)NULL ||
1904 (used_bytes = (bp - jcr->xattr_data->content)) >= (total_bytes - 1)) {
1910 * Open the file on which to restore the xattrs read-only.
1912 if ((filefd = open(jcr->last_fname, O_RDONLY | O_NONBLOCK)) < 0) {
1913 Mmsg2(jcr->errmsg, _("Unable to open file \"%s\": ERR=%s\n"),
1914 jcr->last_fname, be.bstrerror());
1915 Dmsg2(100, "Unable to open file \"%s\": ERR=%s\n",
1916 jcr->last_fname, be.bstrerror());
1921 * Open the xattr naming space and make it the current working dir.
1923 if ((attrdirfd = openat(filefd, ".", O_RDONLY | O_XATTR)) < 0) {
1924 Mmsg2(jcr->errmsg, _("Unable to open xattr space on file \"%s\": ERR=%s\n"),
1925 jcr->last_fname, be.bstrerror());
1926 Dmsg2(100, "Unable to open xattr space on file \"%s\": ERR=%s\n",
1927 jcr->last_fname, be.bstrerror());
1931 if (fchdir(attrdirfd) < 0) {
1932 Mmsg2(jcr->errmsg, _("Unable to chdir to xattr space on file \"%s\": ERR=%s\n"),
1933 jcr->last_fname, be.bstrerror());
1934 Dmsg3(100, "Unable to fchdir to xattr space on file \"%s\" using fd %d: ERR=%s\n",
1935 jcr->last_fname, attrdirfd, be.bstrerror());
1940 * Try to open the correct xattr subdir based on the target_attrname given.
1941 * e.g. check if its a subdir attrname. Each / in the string makes us go
1944 while ((bp = strchr(target_attrname, '/')) != (char *)NULL) {
1947 if ((fd = open(target_attrname, O_RDONLY | O_NONBLOCK)) < 0) {
1948 Mmsg3(jcr->errmsg, _("Unable to open xattr %s on file \"%s\": ERR=%s\n"),
1949 target_attrname, jcr->last_fname, be.bstrerror());
1950 Dmsg3(100, "Unable to open xattr %s on file \"%s\": ERR=%s\n",
1951 target_attrname, jcr->last_fname, be.bstrerror());
1959 * Open the xattr naming space.
1961 if ((fd = openat(filefd, ".", O_RDONLY | O_XATTR)) < 0) {
1962 Mmsg3(jcr->errmsg, _("Unable to open xattr space %s on file \"%s\": ERR=%s\n"),
1963 target_attrname, jcr->last_fname, be.bstrerror());
1964 Dmsg3(100, "Unable to open xattr space %s on file \"%s\": ERR=%s\n",
1965 target_attrname, jcr->last_fname, be.bstrerror());
1973 * Make the xattr space our current workingdir.
1975 if (fchdir(attrdirfd) < 0) {
1976 Mmsg3(jcr->errmsg, _("Unable to chdir to xattr space %s on file \"%s\": ERR=%s\n"),
1977 target_attrname, jcr->last_fname, be.bstrerror());
1978 Dmsg4(100, "Unable to fchdir to xattr space %s on file \"%s\" using fd %d: ERR=%s\n",
1979 target_attrname, jcr->last_fname, attrdirfd, be.bstrerror());
1983 target_attrname = ++bp;
1987 * Decode the attributes from the stream.
1989 decode_stat(attribs, &st, &inum);
1992 * Decode the next field (acl_text).
1994 if ((bp = strchr(attribs, '\0')) == (char *)NULL ||
1995 (used_bytes = (bp - jcr->xattr_data->content)) >= (total_bytes - 1)) {
2001 * Based on the filetype perform the correct action. We support most filetypes here, more
2002 * then the actual implementation on Solaris supports so some code may never get executed
2003 * due to limitations in the implementation.
2005 switch (st.st_mode & S_IFMT) {
2008 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
2010 unlinkat(attrdirfd, target_attrname, 0);
2011 if (mkfifo(target_attrname, st.st_mode) < 0) {
2012 Mmsg3(jcr->errmsg, _("Unable to mkfifo xattr %s on file \"%s\": ERR=%s\n"),
2013 target_attrname, jcr->last_fname, be.bstrerror());
2014 Dmsg3(100, "Unable to mkfifo xattr %s on file \"%s\": ERR=%s\n",
2015 target_attrname, jcr->last_fname, be.bstrerror());
2022 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
2024 unlinkat(attrdirfd, target_attrname, 0);
2025 if (mknod(target_attrname, st.st_mode, st.st_rdev) < 0) {
2026 Mmsg3(jcr->errmsg, _("Unable to mknod xattr %s on file \"%s\": ERR=%s\n"),
2027 target_attrname, jcr->last_fname, be.bstrerror());
2028 Dmsg3(100, "Unable to mknod xattr %s on file \"%s\": ERR=%s\n",
2029 target_attrname, jcr->last_fname, be.bstrerror());
2035 * If its not the hidden_dir create the entry.
2036 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
2038 if (!bstrcmp(target_attrname, ".")) {
2039 unlinkat(attrdirfd, target_attrname, AT_REMOVEDIR);
2040 if (mkdir(target_attrname, st.st_mode) < 0) {
2041 Jmsg3(jcr, M_WARNING, 0, _("Unable to mkdir xattr %s on file \"%s\": ERR=%s\n"),
2042 target_attrname, jcr->last_fname, be.bstrerror());
2043 Dmsg3(100, "Unable to mkdir xattr %s on file \"%s\": ERR=%s\n",
2044 target_attrname, jcr->last_fname, be.bstrerror());
2051 * See if this is a hard linked file. e.g. inum != 0
2056 unlinkat(attrdirfd, target_attrname, 0);
2057 if (link(linked_target, target_attrname) < 0) {
2058 Mmsg4(jcr->errmsg, _("Unable to link xattr %s to %s on file \"%s\": ERR=%s\n"),
2059 target_attrname, linked_target, jcr->last_fname, be.bstrerror());
2060 Dmsg4(100, "Unable to link xattr %s to %s on file \"%s\": ERR=%s\n",
2061 target_attrname, linked_target, jcr->last_fname, be.bstrerror());
2066 * Successfully restored xattr.
2068 retval = bxattr_exit_ok;
2071 if ((bp = strchr(acl_text, '\0')) == (char *)NULL ||
2072 (used_bytes = (bp - jcr->xattr_data->content)) >= total_bytes) {
2076 if (used_bytes < (total_bytes - 1))
2080 * Restore the actual xattr.
2082 if (!is_extensible) {
2083 unlinkat(attrdirfd, target_attrname, 0);
2086 if ((attrfd = openat(attrdirfd, target_attrname, O_RDWR | O_CREAT | O_TRUNC, st.st_mode)) < 0) {
2087 Mmsg3(jcr->errmsg, _("Unable to open xattr %s on file \"%s\": ERR=%s\n"),
2088 target_attrname, jcr->last_fname, be.bstrerror());
2089 Dmsg3(100, "Unable to open xattr %s on file \"%s\": ERR=%s\n",
2090 target_attrname, jcr->last_fname, be.bstrerror());
2096 * Restore the actual data.
2098 if (st.st_size > 0) {
2099 used_bytes = (data - jcr->xattr_data->content);
2100 cnt = total_bytes - used_bytes;
2103 * Do a sanity check, the st.st_size should be the same as the number of bytes
2104 * we have available as data of the stream.
2106 if (cnt != st.st_size) {
2107 Mmsg2(jcr->errmsg, _("Unable to restore data of xattr %s on file \"%s\": Not all data available in xattr stream\n"),
2108 target_attrname, jcr->last_fname);
2109 Dmsg2(100, "Unable to restore data of xattr %s on file \"%s\": Not all data available in xattr stream\n",
2110 target_attrname, jcr->last_fname);
2115 cnt = write(attrfd, data, cnt);
2117 Mmsg3(jcr->errmsg, _("Unable to restore data of xattr %s on file \"%s\": ERR=%s\n"),
2118 target_attrname, jcr->last_fname, be.bstrerror());
2119 Dmsg3(100, "Unable to restore data of xattr %s on file \"%s\": ERR=%s\n",
2120 target_attrname, jcr->last_fname, be.bstrerror());
2126 cnt = total_bytes - used_bytes;
2132 * The current implementation of xattr on Solaris doesn't support this, but if it ever does we are prepared.
2136 if (symlink(linked_target, target_attrname) < 0) {
2137 Mmsg4(jcr->errmsg, _("Unable to symlink xattr %s to %s on file \"%s\": ERR=%s\n"),
2138 target_attrname, linked_target, jcr->last_fname, be.bstrerror());
2139 Dmsg4(100, "Unable to symlink xattr %s to %s on file \"%s\": ERR=%s\n",
2140 target_attrname, linked_target, jcr->last_fname, be.bstrerror());
2145 * Successfully restored xattr.
2147 retval = bxattr_exit_ok;
2154 * Restore owner and acl for non extensible attributes.
2156 if (!is_extensible) {
2157 if (fchownat(attrdirfd, target_attrname, st.st_uid, st.st_gid, AT_SYMLINK_NOFOLLOW) < 0) {
2161 * Gentile way of the system saying this type of xattr layering is not supported.
2162 * But as this is not an error we return a positive return value.
2164 retval = bxattr_exit_ok;
2167 retval = bxattr_exit_ok;
2170 Mmsg3(jcr->errmsg, _("Unable to restore owner of xattr %s on file \"%s\": ERR=%s\n"),
2171 target_attrname, jcr->last_fname, be.bstrerror());
2172 Dmsg3(100, "Unable to restore owner of xattr %s on file \"%s\": ERR=%s\n",
2173 target_attrname, jcr->last_fname, be.bstrerror());
2180 if (acl_text && *acl_text)
2181 if (solaris_restore_xattr_acl(jcr, attrfd, target_attrname, acl_text) != bxattr_exit_ok)
2183 #endif /* HAVE_ACL */
2186 * For a non extensible attribute restore access and modification time on the xattr.
2188 if (!is_extensible) {
2189 times[0].tv_sec = st.st_atime;
2190 times[0].tv_usec = 0;
2191 times[1].tv_sec = st.st_mtime;
2192 times[1].tv_usec = 0;
2194 if (futimesat(attrdirfd, target_attrname, times) < 0) {
2195 Mmsg3(jcr->errmsg, _("Unable to restore filetimes of xattr %s on file \"%s\": ERR=%s\n"),
2196 target_attrname, jcr->last_fname, be.bstrerror());
2197 Dmsg3(100, "Unable to restore filetimes of xattr %s on file \"%s\": ERR=%s\n",
2198 target_attrname, jcr->last_fname, be.bstrerror());
2204 * Successfully restored xattr.
2206 retval = bxattr_exit_ok;
2210 Mmsg1(jcr->errmsg, _("Illegal xattr stream, failed to parse xattr stream on file \"%s\"\n"),
2212 Dmsg1(100, "Illegal xattr stream, failed to parse xattr stream on file \"%s\"\n",
2219 if (attrdirfd != -1) {
2228 static bxattr_exit_code solaris_build_xattr_streams(JCR *jcr, FF_PKT *ff_pkt)
2231 bxattr_exit_code retval = bxattr_exit_ok;
2234 * First see if extended attributes or extensible attributes are present.
2235 * If not just pretend things went ok.
2237 if (pathconf(jcr->last_fname, _PC_XATTR_EXISTS) > 0) {
2238 jcr->xattr_data->nr_saved = 0;
2239 jcr->xattr_data->link_cache = New(alist(10, not_owned_by_alist));
2242 * As we change the cwd in the save function save the current cwd
2243 * for restore after return from the solaris_save_xattrs function.
2245 getcwd(cwd, sizeof(cwd));
2246 retval = solaris_save_xattrs(jcr, NULL, NULL);
2248 delete jcr->xattr_data->link_cache;
2249 jcr->xattr_data->link_cache = NULL;
2254 static bxattr_exit_code solaris_parse_xattr_streams(JCR *jcr, int stream)
2257 bool is_extensible = false;
2258 bxattr_exit_code retval;
2261 * First make sure we can restore xattr on the filesystem.
2264 #if defined(HAVE_SYS_NVPAIR_H) && defined(_PC_SATTR_ENABLED)
2265 case STREAM_XATTR_SOLARIS_SYS:
2266 if (pathconf(jcr->last_fname, _PC_SATTR_ENABLED) <= 0) {
2267 Mmsg1(jcr->errmsg, _("Failed to restore extensible attributes on file \"%s\"\n"), jcr->last_fname);
2268 Dmsg1(100, "Unable to restore extensible attributes on file \"%s\", filesystem doesn't support this\n",
2270 return bxattr_exit_error;
2273 is_extensible = true;
2276 case STREAM_XATTR_SOLARIS:
2277 if (pathconf(jcr->last_fname, _PC_XATTR_ENABLED) <= 0) {
2278 Mmsg1(jcr->errmsg, _("Failed to restore extended attributes on file \"%s\"\n"), jcr->last_fname);
2279 Dmsg1(100, "Unable to restore extended attributes on file \"%s\", filesystem doesn't support this\n",
2281 return bxattr_exit_error;
2285 return bxattr_exit_error;
2289 * As we change the cwd in the restore function save the current cwd
2290 * for restore after return from the solaris_restore_xattrs function.
2292 getcwd(cwd, sizeof(cwd));
2293 retval = solaris_restore_xattrs(jcr, is_extensible);
2300 * Function pointers to the build and parse function to use for these xattrs.
2302 static bxattr_exit_code (*os_build_xattr_streams)(JCR *jcr, FF_PKT *ff_pkt) = solaris_build_xattr_streams;
2303 static bxattr_exit_code (*os_parse_xattr_streams)(JCR *jcr, int stream) = solaris_parse_xattr_streams;
2305 #endif /* defined(HAVE_SUN_OS) */
2308 * Entry points when compiled with support for XATTRs on a supported platform.
2310 bxattr_exit_code build_xattr_streams(JCR *jcr, FF_PKT *ff_pkt)
2312 if (os_build_xattr_streams) {
2313 return (*os_build_xattr_streams)(jcr, ff_pkt);
2315 return bxattr_exit_error;
2318 bxattr_exit_code parse_xattr_streams(JCR *jcr, int stream)
2322 if (os_parse_xattr_streams) {
2324 * See if we can parse this stream, and ifso give it a try.
2326 for (cnt = 0; cnt < sizeof(os_default_xattr_streams) / sizeof(int); cnt++) {
2327 if (os_default_xattr_streams[cnt] == stream) {
2328 return (*os_parse_xattr_streams)(jcr, stream);
2333 * Issue a warning and discard the message. But pretend the restore was ok.
2335 Jmsg2(jcr, M_WARNING, 0,
2336 _("Can't restore Extended Attributes of %s - incompatible xattr stream encountered - %d\n"),
2337 jcr->last_fname, stream);
2338 return bxattr_exit_error;